We are announcing the status of major inspections and restoration works and non conformances
at TEPCO's Kashiwazaki-Kariwa Nuclear Power Station after the Niigata-Chuetsu-Oki Earthquake.
Inspection/Restoration Status
◇ Inspection and restoration completed between June 4 to June 10, 2010
(Completed on the following date)
- Unit 1 Functional test for the entire plant (Inspection on raising the reactor
pressure to approx. 7.0MPa):
June 4
- Unit 1 Functional test for the entire plant (Inspection after activating a main
turbine generator):
June 5
- Unit 1 Functional test for the entire plant (Inspection after temporary main
generator synchronization):
June 6
- Unit 1 Functional test for the entire plant (Inspection after generating power
at approx. 20% of the rated output):
June 7
- Unit 1 Functional test for the entire plant (Inspection after generating power
at approx. 50% of the rated output):
June 9
- Unit 4 500kV power cable inspection (Voltage application test):
June 4
◇ Inspection and restoration to be commenced between June 11 to June 17, 2010
(To be commenced on the following date)
- Unit 2 Main transformer inspection (Carrying in and installation work):
June 15
- Unit 2 Seismic reinforcement works (Preparation for seismic reinforcement works
for reactor building overhead crane):
June 14
- Unit 3 Seismic reinforcement works (Seismic reinforcement works such as pipe
supports):
June 14
◇ Work Schedule of Major Inspection and Restoration from June 6 to July 3, 2010
- Work Schedule of the Main Inspection/ Restoration of the Kashiwazaki-Kariwa Nuclear
Power Station in Response to the Niigata-Chuetsu-Oki Earthquake (during 4 Weeks)
....Appendix
(Reference)
Nonconformances Found in the Inspection and Restoration Works Performed after the Niigata-
Chuetsu-Oki Earthquake
Based on the "Public Announcement Regarding Nonconformance Found in the Inspection and
Restoration Works Performed after the Niigata-Chuetsu-Oki Earthquake", the Tokyo Electric
Power Company, Incorporated (TEPCO) provides this announcement containing incidents
information reported from June 3 to June 9, 2010.
◇ Incidents Information (relating to the Chuetsu-Oki Earthquake)
| |
<Reports from June 3 to June 9, 2010>
◇ Other Findings
- Information on Nonconformances (those related to: the Chuetsu-Oki Earthquake;
Grades GI, GII, GIII; and non-graded)
(including nonconformances related to: the Chuetsu-Oki Earthquake; Grades As,
A, B, C, D; and non-graded)
* After close reexamination of past nonconformance incidents, the total number of
those has been corrected to reflect nonconformance incidents that were identified
as not related to the Chuetsu-Oki Earthquake (3 cases), and nonconformance
incidents that were identified as related to the Chuetsu-Oki Earthquake (2 cases).
Appendix: Work Schedule of the Main Inspection/Restoration of the Kashiwazaki-Kariwa Nuclear
Power Station in Response to the Niigata-Chuetsu-Oki Earthquake (during 4 Weeks)
(PDF 72.8KB)